Versatile, dependable, modern – just like your business. Introducing the HP Pro 3400 Microtower Business PC, a powerful, work-ready design with the latest PC technologies and expandability features ideal for your everyday needs. Support high-speed memory and super fast processors for an impressive level of performance. Choose from 2 nd or 3 rd generation Intel® Core™ family processors1 for the latest in proven PC performance. With innovative engineering and thousands of hours of testing, you get a reliable and durable desktop built to go the distance.